Bore sighter assembly



FIG. 1 is a front perspective view of my new and improved bore sighter assembly;

FIG. 2 is a rear perspective view of my new and improved bore sighter assembly;

FIG. 3 is a top view of my new and improved bore sighter assembly (the bottom view of which is a mirror image thereof);

FIG. 4 is a right side view of my new and improved bore sighter assembly (the left side view of which is a mirror image thereof);

FIG. 5 is a front view of my new and improved bore sighter assembly; and,

FIG. 6 is a rear view of my new and improved bore sighter assembly. 

The ornamental design for a bore sighter assembly, as shown and described. 